With winter weather coming, vehicles tend to suffer, the most general situation is to have difficulties starting your Renault Megane 3 early in the day with very low temperatures. Generally this is associated with problems recharging the battery of your Renault Megane 3 . There are several factors that can explain why your battery does not recharge effectively anymore, and today we will try to help you to solve this issue that can prevent you from using your motor vehicle. To accomplish this, first we will explain how recharging your car battery functions, then the different problems of recharging a Renault Megane 3, and finally how to recharge an empty car battery.
How does recharging the battery of a Renault Megane 3 function?
Before we detail the different problems of recharging the battery on a Renault Megane 3 , we will explain to you how its recharging system works so that you can discover the problems you are facing. A motor vehicle battery functions like a phone battery, it will store energy to start your Renault Megane 3 , turn on your headlights, enjoy music, lower your power windows… However all these actions will consume energy and it might deplete the energy reserve that your battery can store. To get over this issue, the engineers have designed a component called the alternator , this component will use the energy created by the engine of your Renault Megane 3 to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . However, keep in mind that this process can just work when your car is running, using electrical components of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Renault Megane 3’s battery
We will now describe the different battery charging problems on a Renault Megane 3 you may be victim of. If your battery is not recharging because there is actually a issue in your electrical installation, we will now see the different situations.
Battery charging problem on Renault Megane 3: My battery is discharging even if I am recharging it with a specific charger
In this first case, it is quite possible that your alternator is dead , in truth, if you control to recharge your battery with a charger and your Renault Megane 3 to start, the problem certainly comes from your alternator which should not be able to generate any more current.
Battery charging issue on Renault Megane 3: My motor vehicle shuts off and does not start even if I have charged the battery
If you have recharged your battery and you have been able to start your Renault Megane 3 but it switches off although you are driving and then does not start, the problem with recharging the battery of your Renault Megane 3 is that your battery no longer holds the charge .
Battery charging issue on Renault Megane 3: My battery is discharged nevertheless it is new
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If you’ve just bought a battery and it discharges although you’re driving, the issue most likely comes from your alternator. It cannot result from your battery, which is new and consequently holds the charge. The second possibility is that you have a ground somewhere in your electrical system.
How to solve the issue of battery charging on Renault Megane 3?
We will now give you the solutions according to the issue you are facing. Here are the different problems and their solutions:
- Defective alternator: You can try with basic mechanics to check it with a pressure gauge to see if it’s producing power. If it doesn’t, changing it is the best remedy, depending on your motor you will pay a few hundred euros. This fix is feasible in case your alternator is accessible.
- Battery that no longer holds the charge: In this case, the purchase of a new battery is the just realistic remedy. In fact, if you have already recharged it but it is still empty because it is good to be changed, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your Renault Megane 3 but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a check by a motor vehicle electrician is in such a case required.
How to recharge an empty battery of a Renault Megane 3
Finally, to recharge the empty battery of a Renault Megane 3 there are just few solutions, using a battery charger is the most efficient remedy, you can find some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will just provide the energy needed to begin.
If perhaps you have any further questions about the Renault Megane 3, do not hesitate to consult our Renault Megane 3 category.
